{{alias}}( [description] )
    Returns a symbol.

    Unlike conventional constructors, this function does **not** support the
    `new` keyword.

    This function is only supported in environments which support symbols.

    Parameters
    ----------
    description: string (optional)
        Symbol description which can be used for debugging but not to access the
        symbol itself.

    Returns
    -------
    out: symbol
        Symbol.

    Examples
    --------
    > var s = ( {{alias}} ) ? {{alias}}( 'beep' ) : null

    See Also
    --------